Thread-holder.



G. S. HILL.

THREAD HOLDER.

APPLICATION FILED JUNE 1. 1916.

1,269,082., Patented June 11, 1918 L 2 SHEETSSYHEET I. M Q g;

&

e35 fiweniaw G. S. HILL.

THREAD HOLDER.

APPLICATION FILED JUNE 1. 1910.

1 ,269,Q8%@ Patented June 11, 1918.,

f. 2 SHEIETSSHEET 2- fl i3 i2 vTo all whom it'may concern:

"outrun srarns PATENT onnron.

GEORGE S. HILL, STRAFFORID, NEW HAMPSHIRE, ASSIGNOR, BY MESNE ASSIGN- MENTS, TO UNITED SHOE MACHINERY CORPORATION, OF PA'IERSON', NEW JERSEY, A. CORPQRATION OF NEW JERSEY. i

THREAD-HOLDER.

Application filed June 7,1918. Serial No. 102,354.

' Be itknown thatI, GEORGE S. Him, a

-.'citizen: of the. United States, residing at the following'to be a full, clear, and exact Strafiord, inthe countyof Strafl'ord and State of New Hampshire, have invented certain new and usefulv Improvements in Thread-Holders; and I do hereby declare description of the invention, such as will enable others skilled in the art to which it appertains to make and usethe same.

This invention relates to that class of sewing machines in whichthe-stltch forming mechanism is rotated during the sewing operation, as, for example, in certain types of buttonhole machines, and more particularly to thread holders for the same. .The invention is intendedprimarily as'an improvement on the buttonhole sewing machine shown and described in Patent No 1,063,880, June'3, 1913,although it is not confined in its application :tO this machine, but v'may be embodied with advantage. in other machines.

In the machine of the above vpatent, the

stitch forming mechanism' is turned, rotation after -rotation,-pin the same direction in sewingabout successivebuttonholes, and in order to prevent' the twistlngatogether of the stay and under threads,they' are led to;

. the turret on which the under thread mechanism is. mounted through thread guidesply. into the hollow spindle.

The object of the present invention is to which are rotated :in unison with the turret and in the opposite direction. The supply of stay thread is carried by a rotating cop holder rotated in unison with theguides and mounted upon a hollow spindle through which not only the stay thread butalso the under thread passes, a suitable thread guide being carried by the cop holder for conducting the under thread from another supprovide a novel and improved rotating either in the form of a cop or in the'form of thread holder which shall beadapted to hold and deliver thread from a supply a ball. Withthis end in view, thepresent invention comprises the features of construc- In the accompanying which-z,

illustrate what'i's now considered to be the preferred form of the present invention,

section'on a larger scale of the thread holder by itself, taken on the line 2'2 of Fig. 3

Specification of Letters Patent. Patented J 11119 11, 191 8 looking in the direction of the arrow; and:

Fig. 3 is a top planview of the holder shown in Fig. 2 with the thread copremoved. I I

In the buttonhole sewing machine illustrated in Fig. 1, the under sewing thread t;

and the stay thread or cord sare ledto the revolving turret 1=which carries the lower sewingmechanism through a series of rotating guides 2, 3, 45, 5, from the source of supply. Thesupplyof the stay thread or..,-3

cord, which is shown in-Fig. 1 in the form of a ball 6 and in Fig. 2-in the form of a cop 7, is supported in .a thread holder mounted to rotate about a -hollow spindle 8 "through which both the sewing thread If and stay cords are led. The spindle Sismounted to turn in a suitable bearing in the frame .of the machine and carries at its lower; end a sprocket wheel 9' which is driven through suitable connections to impart rotation to:

through whichprojects the upper endof:

the hollow spindle 8 to form a thread. passage 11. Integrally formed with, and extending downwardly from, the bottom 10; is

thebossor hub 12, split-on onesideand providedwith the clamping screw 13 for c'lamping the hub tightly upon the hollow spindle 8. The bottom, of the holder, which is provided with a plurality of holes 14: to reduce the weight, is formed with an upwardlyiextending peripheral rim orfiange 15 to which is fixed the cylindrical wall 16, thus forming a cup-shaped receptacle adapted to hold 1 either acop or ball of thread as maybe devsired 7 Extending down the outside of the side; 'wall- 16 at diametrically opposite points-and beneath the bottom 10 and connecting with the interior of the hollow spindle8 are the 1: side-thread guides or tubes 17 andf18, the

lower portions of which are formed of the a inf-hind res-r1 jet-J5; an. A.

portion of the thread guide 17 which conducts the sewing thread If from; some suit- ,ablesource of supply (not shown) into the hollow spindle '8, consists of a curved or bent tube 23 which overhangs the thread holder -or receptacle being pivotally mount- -'ed within the sleeve 21 with its upper end substantially in line with the axis of rotation of the thread holder. Thisconstruction permits the overhanging end of the sewing 'thread'guide to be swung to one side so that a newv cop or ball; of stay cord may be placed y the form of a cop through the center of the in the holder.

The upper portion of the stay thread I guide 18 is formed of a shortsection of tube 24L pivoted in the sleeve 21'and having theoverhanging arm 25. At the extremity of of the holder, throughwhich the stay cord passeswhen the supply is in theform of a -;ball, as shown in Fig. '1.-"Other1 thread -apertures27 and 28 are provided in the arm 30' increase the drag or tension of the-thread; I By swinging the overhanging arm 25 to one "thread guide for guiding the thread from 25' through which the thread may be led to s'idea new supply of threadmay be inserted in the receptacle.

I A felt disk 28 is placed between the bottom ot the supplyreceptacle and the ball or cop of thread contained therein. 'Whenit is desired to use a cop of stay thread instead of a ball, the overhanging arm- 25 and side guide 18 are not used, but

the thread from the cop is led down through the center I of the cop and through the. thread {passage 11 in the "bottom of the holder and thence through the hollow spindle 8.. 'The devices for so guiding the -threadcomprise a tube 29 having secured in-it-s lower end and projecting therefrom to fit-snuglywithin the upper end-of the a short supporting sleeve or tube 30yadapted hollow spindle 8 so that the tube 29-will be held frictionally in positionbut may readily be removed when it is desired to use a ball ofstay cord. Mounted in the upper end of the tube 29 is the thread guide 31v having a v-centralthread passage 32 and tension spring 33 for impartlng the proper amount of dragor tension to the cord.

1 By .the construction above described either a ball or a cop of stay thread maybe employed, it being only necessary to remove or replace the central: thread guiding device in changing from a ball to a cop and 7 Vice versa.

particular type of button hole sewing ma chine, it is not necessarilv limited in its application tosuch a machine, but is capable of use in other machines; Nor is the present invention to be limited to the specific construction and arrangement of parts shown .anddescribed, but it may be embodied in niany different forms.

I ,Having thus explained the natureand object of the invention, and specifically described one: form in which it may be embodied, what is claimed is:

1. A rotary thread holder for sewing machines, having, in combination, means for holding a cop or a ball of thread at the -option of the operator and providedwith a threadpassage at its bottom, a guide for guiding the thread from the supply-when in chines, having, in combination, meansfor holding the supply of thread and provided with a thread passage at its bottom, aremovable hollow thread uide for guiding :the thread from the supply-lwhenin the form of a cop through the-center ofthe cop and through the thread passage, aside the thread supplywhen inthe form of a ball along the side thereof, and mechanism for rotating said means.

3. A rotarythread holder for sewing machines, having,..in.combination, a hollow spindle, a receptacle for the threadsupply mounted to turn about the axis of the hollow spindle and. provided with a thread passage in its bottom, a removable. tubev frictionally supported in line with the thread. passage for guiding the thread fromthe thread supply contained in the receptacle when. in the form of a cop through the center thereof and through the thread passageand hollow spindle, and a. guide tube on the-outside of the. receptacle and communicatingwith the hollow spindleandprovided with a pivoted overhanging member for guiding the thread from the thread supply when in the form of aball along the side of the receptacleand through the spindle, Hmeans. forguiding thread from another. source of supply through the hollow spindle, and mechanism for rotating the receptacle and guides about the aXis ofthe hollow spindle.

4. A rotary thread holder forsewingmachines, having in combination, a lhollow Spindle, .meansfor. holding a supply. of

threadand mounted to turn aboutthe axis of the. hollow spindle, arthreadguide for leading the thread from said thread supply along the side0f .the sameand through the hollow spindle, an auxiliary thread guide prising a bent tube extending down the side for leading thread from another supply of the receptacle and beneath the bottom through the hollow spindle, and mechanism thereof and communicating with the hollow for rotating the thread holding means and spindle, and an overhanging upper portion 5 the thread guides. pivoted upon the lower portion, the free 5. A rotary thread holder for sewing maends of such portions being substantially in chines, having, in combination, a hollow line with the axis of rotation of the thread spindle, a receptacle for the thread supply holder, and means for rotating the holder. mounted to turn about the axis of the hollow 1'0 spindle, a pair of thread guides each com- GEORGE S. HILL.

Copies of thil patent may be obtained for five cents each, by addressing the "commissioner of I'atenta,

. Washington, D. 0." 

